... Description:High mechanical properties drill pipe :Grade:DZ50,E75,X95,G105,S135,R780OD of pipe body:Φ42/Φ50/Φ60/Φ73 ... 11.58-13.72mproductAPI oil drill pipes, Water well drill pipes, Flat drill pipes, Non-dig drill pipes,Geographical drill pipes and various tool jonts ... drilling, Forepoling, coal and nonferrous metal mining projects Drill Pipe (E.X.G.S)Size (inch)WeightDesignationCalculated Plain-End ...